Snowmobile Polaris 2006 - 2007 FS / FST. Instruction - part 29

 

  Index      Snowmobiles / ATV     Snowmobile Polaris 2006 - 2007 FS / FST - instruction

 

Search            copyright infringement  

 

 

 

 

 

 

 

 

 

Content   ..  27  28  29  30   ..

 

 

Snowmobile Polaris 2006 - 2007 FS / FST. Instruction - part 29

 

 

6.7

FS / FST Engine

6

Rev. 1 07/2006

Special Tools

The following list of special tools is recommended for use when
disassembling and re-assembling the engine. Polaris special
tools are available for purchase through Polaris’s authorized tool
distributor.

FS / FST Engine Special Tools

P

ART

 N

UMBER

N

AME

 / D

ESCRIPTION

PW-46982

Gear Removal Tool
Used to remove the balance shaft drive gear when 
used with tool, PN PW-46989.

PW-46989

Gear Removal Bolt
Used with tool, PN PW-46982.

PW-46991

Valve Compressor Tool
Used to remove the valves from the cylinder head.

PW-47163

Valve Lash Guillotine Tool
Used to remove and install valve clearance 
adjustment shims.

PW-46984

Engine Stand Adapter Plate
Attaches to the PTO-side of engine and allows 
engine to be mounted to either a table mount or 
rolling engine stand.

PW-46985

Timing Chain Link Breaker / Installation Tool
Used to “break” the timing chain and reinstall a new 
master link.

PW-47079

Timing Chain Installation Tool
Guides the timing chain through the engine during 
chain installation.

PW-47108

Timing Chain Wedge and Hook
Used to aid in the installation of the timing chain.

PS-48040

Water Pump Seal Installation Tool
Used to install the water pump seals into the front 
cover.

PS-48042

Crankshaft Seal Installation Tool
Used to install the PTO-side crankshaft seal.

PS-48043

Front Cover Seal Installation Tool
Used to install the MAG-side cover seal.

PS-48039

Crankshaft Arrestor
Used to the hold the PTO-end of crankshaft 
stationary.

PW-46981

Crankshaft Barring Tool
Used to rotate the engine when installing the 
camshaft timing chain.

PW-46983

Piston Installation Tool
Used to compress the piston rings when installing 
the pistons.

PS-48047

Curved Box Wrench
Used to install the turbocharger exhaust manifold 
nuts.

PS-48041

Flywheel Remover Tool
Used to remove the flywheel.

6.8

FS / FST Engine

Rev. 1 07/2006

ENGINE INSPECTIONS

Components

Measure Valve Diameter

• Out of specification: Replace valve.

Measure Valve Face Width

• Out of specification: Replace valve.

Measure Valve Seat Contact Width

• Out of specification: Replace valve.

Measure Valve Margin Thickness

• Out of specification: Replace valve.

Measure Valve Stem Diameter

• Out of specification: Replace valve.

Measure Valve Guide Inside Diameter

• Out of specification: Replace cylinder head.

6.9

FS / FST Engine

6

Rev. 1 07/2006

Measure Valve Stem Runout

• Out of specification: Replace valve.

Measure Un-Installed Spring Length

• Out of specification: Replace spring.

Measure Cylinder Head Flatness

• Out of specification: Replace cylinder head.

NOTE:  Do not re-surface (shave) cylinder head.

Measure Cylinder Block Flatness

• Out of specification: Replace cylinder block.

NOTE:  Do not re-surface (shave) cylinder block.

Measure Cylinder Bore Diameter

• Out of specification: Replace cylinder block.

NOTE:  Do not re-bore cylinders. Cylinders are lined
with Nicasil.

Measure Cylinder for Taper and Out-of-Round Limits

• Out of specification: Replace cylinder block.

NOTE:  Do not re-bore cylinders. Cylinders lined with
Nicasil.

1.

Bore: Maximum diameter of Da - Df.

2.

Taper: Maximum of Da - De and Db - Df.

3.

Out-of-Round: Maximum of Da - Db and De - Df.

6.10

FS / FST Engine

Rev. 1 07/2006

Measure Camshaft Width

• Out of specification: Replace camshaft.

Measure Intake and Exhaust Cam Lobe Heights

• Out of specification: Replace camshaft.

Measure Camshaft Runout at Center and End of Shaft

• Out of specification: Replace camshaft.

Measure Camshaft Bearing Hole I.D.

• Out of specification: Replace camshaft.

NOTE: 

Needle bearings must be removed to

measure I.D.

Measure Camshaft Axle O.D.

• Out of specification: Replace axle.

Measure Camshaft Axle Clamp I.D.s

• Out of specification: Replace cylinder head.

 

 

 

 

 

 

 

Content   ..  27  28  29  30   ..